Search a number
-
+
28514173 is a prime number
BaseRepresentation
bin110110011000…
…1011101111101
31222122200002111
41230301131331
524244423143
62455054021
7464236462
oct154613575
958580074
1028514173
1115106136
129671311
135ba48bc
143b03669
15278399d
hex1b3177d

28514173 has 2 divisors, whose sum is σ = 28514174. Its totient is φ = 28514172.

The previous prime is 28514149. The next prime is 28514177. The reversal of 28514173 is 37141582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24621444 + 3892729 = 4962^2 + 1973^2 .

It is a cyclic number.

It is not a de Polignac number, because 28514173 - 217 = 28383101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28514177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14257086 + 14257087.

It is an arithmetic number, because the mean of its divisors is an integer number (14257087).

Almost surely, 228514173 is an apocalyptic number.

It is an amenable number.

28514173 is a deficient number, since it is larger than the sum of its proper divisors (1).

28514173 is an equidigital number, since it uses as much as digits as its factorization.

28514173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 28514173 is about 5339.8663840961. The cubic root of 28514173 is about 305.5063630241.

The spelling of 28514173 in words is "twenty-eight million, five hundred fourteen thousand, one hundred seventy-three".